The Knight of Darkness investigates supercrime in two unusual thrillers that showcase The Shadow's enigmatic agent, Burbank! First, The Key to a mysteriously empty safe deposit box sets up a winding trail of treachery and murder that leads The Shadow to Rio de Janeiro in search of a million-dollar secret. Then, Lamont Cranston is called in to investigate The Case of Congressman Coyd. What is behind the bizarre turnaround of a veteran lawmaker whose new deregulation proposals will profit unscrupulous business interests?

This instant collector's item showcases both color pulp covers by George Rozen, the classic interior illustrations by Tom Lovell and commentary by popular-culture historian Will Murray.